Make sure file exists in package path and permission is set to executable (chmod +x)

[raj.mehta]

$ roslaunch rplidar_ros rplidar.launch
$ roslaunch hector_slam_launch tutorial.launch
→ error:

ROS_MASTER_URI=http://localhost:11311

ERROR: cannot launch node of type [hector_mapping/hector_mapping]: Cannot locate node of type [hector_mapping] in package [hector_mapping]. Make sure file exists in package path and permission is set to executable (chmod +x)

process[base_to_laser_broadcaster-2]: started with pid [4892]

ERROR: cannot launch node of type [hector_trajectory_server/hector_trajectory_server]: Cannot locate node of type [hector_trajectory_server] in package [hector_trajectory_server]. Make sure file exists in package path and permission is set to executable (chmod +x)

ERROR: cannot launch node of type [hector_geotiff/geotiff_node]: Cannot locate node of type [geotiff_node] in package [hector_geotiff]. Make sure file exists in package path and permission is set to executable (chmod +x)

[roalgoal]

Hi @raj.mehta, welcome to the community!

In order to help you with your question, we need to know more context, like the course and environment you have set up. Do you have the package hector_mapping? Have you sourced your workspace?

Some screenshots are helpful too